Add ImageAndSizeFromAsset

src/hello_imgui/doc_api.md

@@ -247,6 +247,17 @@ ImTextureID ImTextureIdFromAsset(const char *assetPath);
 // will return the size of an image loaded from the assets.
 ImVec2 ImageSizeFromAsset(const char *assetPath);
 
+
+// `HelloImGui::ImageAndSize HelloImGui::ImageAndSizeFromAsset(assetPath)`:
+// will return the texture ID and the size of an image loaded from the assets.
+struct ImageAndSize
+{
+    ImTextureID textureId = ImTextureID(0);
+    ImVec2 size = ImVec2(0.f, 0.f);
+};
+ImageAndSize ImageAndSizeFromAsset(const char *assetPath);
+
+
 // `ImVec2 HelloImGui::ImageProportionalSize(askedSize, imageSize)`:
 //  will return the displayed size of an image.
 //     - if askedSize.x or askedSize.y is 0, then the corresponding dimension

src/hello_imgui/image_from_asset.h

@@ -47,6 +47,17 @@ ImTextureID ImTextureIdFromAsset(const char *assetPath);
 // will return the size of an image loaded from the assets.
 ImVec2 ImageSizeFromAsset(const char *assetPath);
 
+
+// `HelloImGui::ImageAndSize HelloImGui::ImageAndSizeFromAsset(assetPath)`:
+// will return the texture ID and the size of an image loaded from the assets.
+struct ImageAndSize
+{
+    ImTextureID textureId = ImTextureID(0);
+    ImVec2 size = ImVec2(0.f, 0.f);
+};
+ImageAndSize ImageAndSizeFromAsset(const char *assetPath);
+
+
 // `ImVec2 HelloImGui::ImageProportionalSize(askedSize, imageSize)`:
 //  will return the displayed size of an image.
 //     - if askedSize.x or askedSize.y is 0, then the corresponding dimension

src/hello_imgui/internal/image_from_asset.cpp

@@ -136,6 +136,14 @@ namespace HelloImGui
         return ImVec2((float)cachedImage->Width, (float)cachedImage->Height);
     }
 
+    ImageAndSize ImageAndSizeFromAsset(const char *assetPath)
+    {
+        auto cachedImage = _GetCachedImage(assetPath);
+        if (cachedImage == nullptr)
+            return {};
+        return {cachedImage->TextureID(), ImVec2((float)cachedImage->Width, (float)cachedImage->Height)};
+    }
+
     namespace internal
     {
         void Free_ImageFromAssetMap()